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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A283032 Number of inequivalent 5 X 5 matrices with entries in {1,2,3,...,n} up to vertical and horizontal reflections.

Table of values

n a(n)
0 0
1 1
2 8407040
3 211829725395
4 281475530358784
5 74505821533203125
6 7107572245840091136
7 335267157313994232775
8 9444732983468915425280
9 179474497026544179696969
10 2500000000502500000000000
11 27086764860568185273201371
12 238490541617902791488962560

List of values

[0, 1, 8407040, 211829725395, 281475530358784, 74505821533203125, 7107572245840091136, 335267157313994232775, 9444732983468915425280, 179474497026544179696969, 2500000000502500000000000, 27086764860568185273201371, 238490541617902791488962560]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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